| Miller A. K. (1945) Some exceptional Permian ammonoids from west Texas, Journal of Paleontology 19 1, 14-21 |
| Yochelson E. L. (1956) Permian Gastropoda of the southwestern United States. 1. Euomphalacea, Trochonematacea, Pesudophoracea, Anomphalacea, Craspedostomatacea, and Platyceratacea, Bulletin of the American Museum of Natural History 110 3, 173-276 |
| Batten R. L. (1958) Permian Gastropoda of the southwestern United States. 2. Pleurotomariacea: Portlockiellidae, Phymatopleuridae, and Eotomariidae, Bulletin of the American Museum of Natural History 114 2, 153-246 |
| Finks R. M. (1960) Late Paleozoic sponge faunas of the Texas region: The siliceous sponges, Bulletin of the American Museum of Natural History 120 1, 1-160 |
| Yochelson E. L. (1960) Permian Gastropoda of the southwestern United States. 3. Bellerophontacea and Patellacea, Bulletin of the American Museum of Natural History 119 4, 208-293 |
| Muir-Wood H., Cooper G. A. (1960) Morphology, classification and life habits of the Productoidea (Brachiopoda), Geological Society of America Memoir 81, 1-447 |
| Newell N. D., Boyd D.W. (1970) Oyster-like Permian Bivalvia, Bulletin of the American Museum of Natural History 143 4, 221-281 |
| Runnegar B., Newell N. D. (1974) Edmondia and the Edmondiacea: shallow-burrowing Paleozoic pelecypods, American Museum Novitates 2533, 1-20 |
| Newell N. D., Boyd D.W. (1975) Parallel evolution in early trigonacean bivalves, Bulletin of the American Museum of Natural History 154 2, 55-162 |
| Smith A. G. (1976) Two new Permian chitons from west Texas (Mollusca: Polyplacophora), The Veliger 18, 281-288 |
| Cooper G. A., Grant R. E. (1977) Permian Brachiopods of West Texas, VI, Smithsonian Contributions to Paleobiology 32, 3161-3370 |
| Hoare R. D., Smith A. G. (1984) Permian Polyplacophora (Mollusca) from west Texas, Journal of Paleontology 58 1, 82-103 |
| Erwin D. H. (1988) Permian Gastropoda of the southwestern United States: Subulitacea, Journal of Paleontology 62 1, 56-69 |
| Erwin D. H. (1988) The genus Glyptospira (Gastropoda: Trochacea) from the Permian of the southwestern United States, Journal of Paleontology 62 6, 868-879 |
| Batten R. L. (1989) Permian Gastropoda of the southwestern United States. 7. Pleurotomariacea: Eotomariidae, Lophospiriidae, Gosseletinidae, American Museum Novitates 2958, 1-64 |
| Finks R. M. (1995) Some new genera of Paleozoic calcareous sponges, University of Kansas Paleontological Contributions 6, 1-9 |
| Newell N. D., Boyd D.W. (1995) Pectinoid bivalves of the Permian-Triassic crisis, Bulletin of the American Museum of Natural History 227, 1-95 |
| Kosnik M. A. (1997) Byzantia: a new genus (Gastropoda: Neritopsidae) from the Permian of west Texas, Journal of Paleontology 71 1, 53-56 |
| McRoberts C. A., Newell N.D. (1997) A new transitional myalinid bivalve from the Lower Permian of west Texas, Palaeontology 40 2, 487-495 |
| McRoberts C. A., Newell N.D. (2001) A new Permian myalinid genus, Elversella, of west Texas, American Museum Novitates 3311, 1-5 |
| McRoberts C. A., Newell N. D. (2005) Marine Myalinidae (Bivalvia: Pterioida) from the Permian of West Texas, American Museum Novitates 3469, 1-15 |
| Finks R. M. (2010) The sponge family Guadalupiidae in the Texas Permian, Journal of Paleontology 84 5, 821-847 |
